xref: /freebsd/lib/csu/i386/crt1_c.c (revision 9088779e3c8b810afb701adb80be154a7b2e0523)
1 /* LINTLIBRARY */
2 /*-
3  * Copyright 1996-1998 John D. Polstra.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include "libc_private.h"
33 #include "csu_common.h"
34 
35 void _start(char *, ...);
36 void _start1(void (*)(void), int, char *[]) __dead2;
37 
38 /* The entry function, C part. */
39 void
40 _start1(void (*cleanup)(void), int argc, char *argv[])
41 {
42 	char **env;
43 
44 	env = argv + argc + 1;
45 #ifdef GCRT
46 	__libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext);
47 __asm__("eprol:");
48 #else
49 	__libc_start1(argc, argv, env, cleanup, main);
50 #endif
51 }
52 
53 __asm(".hidden	_start1");
54